/* * Driver for Digigram pcxhr compatible soundcards * * hwdep device manager * * Copyright (c) 2004 by Digigram <alsa@digigram.com> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include <sound/driver.h> #include <linux/interrupt.h> #include <linux/vmalloc.h> #include <linux/firmware.h> #include <linux/pci.h> #include <asm/io.h> #include <sound/core.h> #include <sound/hwdep.h> #include "pcxhr.h" #include "pcxhr_mixer.h" #include "pcxhr_hwdep.h" #include "pcxhr_core.h" #if defined(CONFIG_FW_LOADER) || defined(CONFIG_FW_LOADER_MODULE) #if !defined(CONFIG_USE_PCXHRLOADER) && !defined(CONFIG_SND_PCXHR) /* built-in kernel */ #define SND_PCXHR_FW_LOADER /* use the standard firmware loader */ #endif #endif /* * get basic information and init pcxhr card */ static int pcxhr_init_board(struct pcxhr_mgr *mgr) { int err; struct pcxhr_rmh rmh; int card_streams; /* calc the number of all streams used */ if (mgr->mono_capture) card_streams = mgr->capture_chips * 2; else card_streams = mgr->capture_chips; card_streams += mgr->playback_chips * PCXHR_PLAYBACK_STREAMS; /* enable interrupts */ pcxhr_enable_dsp(mgr); pcxhr_init_rmh(&rmh, CMD_SUPPORTED); err = pcxhr_send_msg(mgr, &rmh); if (err) return err; /* test 8 or 12 phys out */ snd_assert((rmh.stat[0] & MASK_FIRST_FIELD) == mgr->playback_chips*2, return -EINVAL); /* test 8 or 2 phys in */ snd_assert(((rmh.stat[0] >> (2*FIELD_SIZE)) & MASK_FIRST_FIELD) == mgr->capture_chips * 2, return -EINVAL); /* test max nb substream per board */ snd_assert((rmh.stat[1] & 0x5F) >= card_streams, return -EINVAL); /* test max nb substream per pipe */ snd_assert(((rmh.stat[1]>>7)&0x5F) >= PCXHR_PLAYBACK_STREAMS, return -EINVAL); pcxhr_init_rmh(&rmh, CMD_VERSION); /* firmware num for DSP */ rmh.cmd[0] |= mgr->firmware_num; /* transfer granularity in samples (should be multiple of 48) */ rmh.cmd[1] = (1<<23) + PCXHR_GRANULARITY; rmh.cmd_len = 2; err = pcxhr_send_msg(mgr, &rmh); if (err) return err; snd_printdd("PCXHR DSP version is %d.%d.%d\n", (rmh.stat[0]>>16)&0xff, (rmh.stat[0]>>8)&0xff, rmh.stat[0]&0xff); mgr->dsp_version = rmh.stat[0]; /* get options */ pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_READ); rmh.cmd[0] |= IO_NUM_REG_STATUS; rmh.cmd[1] = REG_STATUS_OPTIONS; rmh.cmd_len = 2; err = pcxhr_send_msg(mgr, &rmh); if (err) return err; if ((rmh.stat[1] & REG_STATUS_OPT_DAUGHTER_MASK) == REG_STATUS_OPT_ANALOG_BOARD) mgr->board_has_analog = 1; /* analog addon board available */ else /* analog addon board not available -> no support for instance */ return -EINVAL; /* unmute inputs */ err = pcxhr_write_io_num_reg_cont(mgr, REG_CONT_UNMUTE_INPUTS, REG_CONT_UNMUTE_INPUTS, NULL); if (err) return err; /* unmute outputs */ pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_READ); /* a write to IO_NUM_REG_MUTE_OUT mutes! */ rmh.cmd[0] |= IO_NUM_REG_MUTE_OUT; err = pcxhr_send_msg(mgr, &rmh); return err; } void pcxhr_reset_board(struct pcxhr_mgr *mgr) { struct pcxhr_rmh rmh; if (mgr->dsp_loaded & (1 << PCXHR_FIRMWARE_DSP_MAIN_INDEX)) { /* mute outputs */ /* a read to IO_NUM_REG_MUTE_OUT register unmutes! */ pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_WRITE); rmh.cmd[0] |= IO_NUM_REG_MUTE_OUT; pcxhr_send_msg(mgr, &rmh); /* mute inputs */ pcxhr_write_io_num_reg_cont(mgr, REG_CONT_UNMUTE_INPUTS, 0, NULL); } /* reset pcxhr dsp */ if (mgr->dsp_loaded & ( 1 << PCXHR_FIRMWARE_DSP_EPRM_INDEX)) pcxhr_reset_dsp(mgr); /* reset second xilinx */ if (mgr->dsp_loaded & ( 1 << PCXHR_FIRMWARE_XLX_COM_INDEX)) pcxhr_reset_xilinx_com(mgr); return; } /* * allocate a playback/capture pipe (pcmp0/pcmc0) */ static int pcxhr_dsp_allocate_pipe( struct pcxhr_mgr *mgr, struct pcxhr_pipe *pipe, int is_capture, int pin) { int stream_count, audio_count; int err; struct pcxhr_rmh rmh; if (is_capture) { stream_count = 1; if (mgr->mono_capture) audio_count = 1; else audio_count = 2; } else { stream_count = PCXHR_PLAYBACK_STREAMS; audio_count = 2; /* always stereo */ } snd_printdd("snd_add_ref_pipe pin(%d) pcm%c0\n", pin, is_capture ? 'c' : 'p'); pipe->is_capture = is_capture; pipe->first_audio = pin; /* define pipe (P_PCM_ONLY_MASK (0x020000) is not necessary) */ pcxhr_init_rmh(&rmh, CMD_RES_PIPE); pcxhr_set_pipe_cmd_params(&rmh, is_capture, pin, audio_count, stream_count); err = pcxhr_send_msg(mgr, &rmh); if (err < 0) { snd_printk(KERN_ERR "error pipe allocation (CMD_RES_PIPE) err=%x!\n", err ); return err; } pipe->status = PCXHR_PIPE_DEFINED; return 0; } /* * free playback/capture pipe (pcmp0/pcmc0) */ #if 0 static int pcxhr_dsp_free_pipe( struct pcxhr_mgr *mgr, struct pcxhr_pipe *pipe) { struct pcxhr_rmh rmh; int capture_mask = 0; int playback_mask = 0; int err = 0; if (pipe->is_capture) capture_mask = (1 << pipe->first_audio); else playback_mask = (1 << pipe->first_audio); /* stop one pipe */ err = pcxhr_set_pipe_state(mgr, playback_mask, capture_mask, 0); if (err < 0) snd_printk(KERN_ERR "error stopping pipe!\n"); /* release the pipe */ pcxhr_init_rmh(&rmh, CMD_FREE_PIPE); pcxhr_set_pipe_cmd_params(&rmh, pipe->is_capture, pipe->first_audio, 0, 0); err = pcxhr_send_msg(mgr, &rmh); if (err < 0) snd_printk(KERN_ERR "error pipe release (CMD_FREE_PIPE) err(%x)\n", err); pipe->status = PCXHR_PIPE_UNDEFINED; return err; } #endif static int pcxhr_config_pipes(struct pcxhr_mgr *mgr) { int err, i, j; struct snd_pcxhr *chip; struct pcxhr_pipe *pipe; /* allocate the pipes on the dsp */ for (i = 0; i < mgr->num_cards; i++) { chip = mgr->chip[i]; if (chip->nb_streams_play) { pipe = &chip->playback_pipe; err = pcxhr_dsp_allocate_pipe( mgr, pipe, 0, i*2); if (err) return err; for(j = 0; j < chip->nb_streams_play; j++) chip->playback_stream[j].pipe = pipe; } for (j = 0; j < chip->nb_streams_capt; j++) { pipe = &chip->capture_pipe[j]; err = pcxhr_dsp_allocate_pipe(mgr, pipe, 1, i*2 + j); if (err) return err; chip->capture_stream[j].pipe = pipe; } } return 0; } static int pcxhr_start_pipes(struct pcxhr_mgr *mgr) { int i, j; struct snd_pcxhr *chip; int playback_mask = 0; int capture_mask = 0; /* start all the pipes on the dsp */ for (i = 0; i < mgr->num_cards; i++) { chip = mgr->chip[i]; if (chip->nb_streams_play) playback_mask |= (1 << chip->playback_pipe.first_audio); for (j = 0; j < chip->nb_streams_capt; j++) capture_mask |= (1 << chip->capture_pipe[j].first_audio); } return pcxhr_set_pipe_state(mgr, playback_mask, capture_mask, 1); } static int pcxhr_dsp_load(struct pcxhr_mgr *mgr, int index, const struct firmware *dsp) { int err, card_index; snd_printdd("loading dsp [%d] size = %Zd\n", index, dsp->size); switch (index) { case PCXHR_FIRMWARE_XLX_INT_INDEX: pcxhr_reset_xilinx_com(mgr); return pcxhr_load_xilinx_binary(mgr, dsp, 0); case PCXHR_FIRMWARE_XLX_COM_INDEX: pcxhr_reset_xilinx_com(mgr); return pcxhr_load_xilinx_binary(mgr, dsp, 1); case PCXHR_FIRMWARE_DSP_EPRM_INDEX: pcxhr_reset_dsp(mgr); return pcxhr_load_eeprom_binary(mgr, dsp); case PCXHR_FIRMWARE_DSP_BOOT_INDEX: return pcxhr_load_boot_binary(mgr, dsp); case PCXHR_FIRMWARE_DSP_MAIN_INDEX: err = pcxhr_load_dsp_binary(mgr, dsp); if (err) return err; break; /* continue with first init */ default: snd_printk(KERN_ERR "wrong file index\n"); return -EFAULT; } /* end of switch file index*/ /* first communication with embedded */ err = pcxhr_init_board(mgr); if (err < 0) { snd_printk(KERN_ERR "pcxhr could not be set up\n"); return err; } err = pcxhr_config_pipes(mgr); if (err < 0) { snd_printk(KERN_ERR "pcxhr pipes could not be set up\n"); return err; } /* create devices and mixer in accordance with HW options*/ for (card_index = 0; card_index < mgr->num_cards; card_index++) { struct snd_pcxhr *chip = mgr->chip[card_index]; if ((err = pcxhr_create_pcm(chip)) < 0) return err; if (card_index == 0) { if ((err = pcxhr_create_mixer(chip->mgr)) < 0) return err; } if ((err = snd_card_register(chip->card)) < 0) return err; } err = pcxhr_start_pipes(mgr); if (err < 0) { snd_printk(KERN_ERR "pcxhr pipes could not be started\n"); return err; } snd_printdd("pcxhr firmware downloaded and successfully set up\n"); return 0; } /* * fw loader entry */ #ifdef SND_PCXHR_FW_LOADER int pcxhr_setup_firmware(struct pcxhr_mgr *mgr) { static char *fw_files[5] = { "xi_1_882.dat", "xc_1_882.dat", "e321_512.e56", "b321_512.b56", "d321_512.d56" }; char path[32]; const struct firmware *fw_entry; int i, err; for (i = 0; i < ARRAY_SIZE(fw_files); i++) { sprintf(path, "pcxhr/%s", fw_files[i]); if (request_firmware(&fw_entry, path, &mgr->pci->dev)) { snd_printk(KERN_ERR "pcxhr: can't load firmware %s\n", path); return -ENOENT; } /* fake hwdep dsp record */ err = pcxhr_dsp_load(mgr, i, fw_entry); release_firmware(fw_entry); if (err < 0) return err; mgr->dsp_loaded |= 1 << i; } return 0; } MODULE_FIRMWARE("pcxhr/xi_1_882.dat"); MODULE_FIRMWARE("pcxhr/xc_1_882.dat"); MODULE_FIRMWARE("pcxhr/e321_512.e56"); MODULE_FIRMWARE("pcxhr/b321_512.b56"); MODULE_FIRMWARE("pcxhr/d321_512.d56"); #else /* old style firmware loading */ /* pcxhr hwdep interface id string */ #define PCXHR_HWDEP_ID "pcxhr loader" static int pcxhr_hwdep_dsp_status(struct snd_hwdep *hw, struct snd_hwdep_dsp_status *info) { strcpy(info->id, "pcxhr"); info->num_dsps = PCXHR_FIRMWARE_FILES_MAX_INDEX; if (hw->dsp_loaded & (1 << PCXHR_FIRMWARE_DSP_MAIN_INDEX)) info->chip_ready = 1; info->version = PCXHR_DRIVER_VERSION; return 0; } static int pcxhr_hwdep_dsp_load(struct snd_hwdep *hw, struct snd_hwdep_dsp_image *dsp) { struct pcxhr_mgr *mgr = hw->private_data; int err; struct firmware fw; fw.size = dsp->length; fw.data = vmalloc(fw.size); if (! fw.data) { snd_printk(KERN_ERR "pcxhr: cannot allocate dsp image (%lu bytes)\n", (unsigned long)fw.size); return -ENOMEM; } if (copy_from_user(fw.data, dsp->image, dsp->length)) { vfree(fw.data); return -EFAULT; } err = pcxhr_dsp_load(mgr, dsp->index, &fw); vfree(fw.data); if (err < 0) return err; mgr->dsp_loaded |= 1 << dsp->index; return 0; } static int pcxhr_hwdep_open(struct snd_hwdep *hw, struct file *file) { return 0; } static int pcxhr_hwdep_release(struct snd_hwdep *hw, struct file *file) { return 0; } int pcxhr_setup_firmware(struct pcxhr_mgr *mgr) { int err; struct snd_hwdep *hw; /* only create hwdep interface for first cardX (see "index" module parameter)*/ if ((err = snd_hwdep_new(mgr->chip[0]->card, PCXHR_HWDEP_ID, 0, &hw)) < 0) return err; hw->iface = SNDRV_HWDEP_IFACE_PCXHR; hw->private_data = mgr; hw->ops.open = pcxhr_hwdep_open; hw->ops.release = pcxhr_hwdep_release; hw->ops.dsp_status = pcxhr_hwdep_dsp_status; hw->ops.dsp_load = pcxhr_hwdep_dsp_load; hw->exclusive = 1; mgr->dsp_loaded = 0; sprintf(hw->name, PCXHR_HWDEP_ID); if ((err = snd_card_register(mgr->chip[0]->card)) < 0) return err; return 0; } #endif /* SND_PCXHR_FW_LOADER */